White-Rodgers - Thermostats, digital programmable, non-programmable, mechanical thermostat

Thermostats - Don't Know Your Thermostat Model Number

1F90, Comfort-Set II Series thermostat

How do I find the Model (type) number of my Comfort-Set II Series?

Remove the front cover from the wall plate.

TYPE or MODEL Number is located on inside of front cover.
or

Listed below are links to information for 1F90 Comfort-Set^®II Digital thermostats. Operating Manuals -- 1F90 Series thermostat. Frequently Asked Questions (FAQs) -- 1F90 Series Comfort-Set^® II thermostat operation. 1F90 Series Features and Options Information 1F92/1F94 -- Comfort-Set^® II heat pump terminal cross reference. 1F90/1F97 Isolation Relay Installation Instruction. Remote Sensor Troubleshooting Guide - F145-1049 and F145-1170 Here are quick programming guides for 1F90 digital programmable thermostats: 1F90/1F91/1F92 -- Comfort-Set^® II, 5 + 2 day thermostats models. 1F94/1F97 -- Comfort-Set^® II, 7-day thermostats models. 1F95 -- Comfort-Set^® II, 7-day thermostats model.